Perhaps you should try some spelling variations:
metal dimensional » meta dimensional, data dimensional, level dimensional
pathways imaging » pathways using, pathways during
information age » information storage
array imaging » arrays imaging, airway imaging, ray imaging
array string » array strong, arrays strings, array sharing
age metal » age fetal, base metal, bare metal

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: information age metal dimensional ((((array string) or (pathways imaging))) or (array imaging))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information age metal dimensional ((((array string) OR (pathways imaging))) OR (array imaging)).
• Adding a wildcard symbol may retrieve word variants: information age metal dimensional ((((array string) or (pathways imaging))) or (array imaging))*.